abstract |
The present invention relates to a cover window for a flexible display device and to a flexible display device comprising the cover window, the cover window comprising: a polymer substrate of a polyamide-imide block copolymer; and a hard coating layer which is formed on at least one surface of the polymer substrate and has a pencil hardness of at least 5H under a load of 750 g, wherein the cover window does not crack when wound around a mandrel having a diameter of 3 mm. |